Table of Contents
Waves and Oscillation MCQs
1.Over-damping(gradual reduction of excessive oscillation) is because of…
- arrhythmic return to equilibrium
- faster return to equilibrium
- equilibrium is never achieved
- slower return to equilibrium
- Natural frequency of a guitar string can be changed by changing it’s
- stiffness
- area
- diameter
- length
- In S.H.M(Simple Harmonic Motion) velocity at equilibrium position is
- minimum
- constant
- zero
- maximum
- Maximum displacement from equilibrium position is
- Frequency
- Amplitude
- Wavelength
- Period
- Which one of the given cannot receive the4 ultrasonic
- Dolphin
- Human Being
- mouse
- Rat
- A spring of force constant K is cut into two pieces such that one piece is double the length of the other. Then the longer piece3 will have a force constant of
- 3/2K
- 3K
- 9K
- 6K
7.Displacement-time graph depicting(Represent by Drawing) an oscillatory motion is
- cos curve
- sine curve
- tangent curve
- straight line
- Maximum displacement(action of moving some thing) from equilibrium position is
- frequency
- wavelength
- period
- amplitude
- If time period of an oscillation is 0.40 s what will be it’s frequency is
- 2 Hz
- 5 Hz
- 3 Hz
- 5 Hz
- In cars, springs are damped by
- shock absorbers
- engine
- tyres
- brake pedals
- Our eyes detect oscillations up to
- 5 Hz
- 9 Hz
- 6 Hz
- 8 Hz
- A force that acts to return mass to it’s equilibrium position is called
- frictional force
- restoring force
- normal force
- contact force
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